Home / 25,305.78-34,922.16-13,974.96

Finding the Fourth Proportional to 25,305.78, 34,922.16 and 13,974.96

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Solution

The fourth proportional to 25,305.78, 34,922.16 and 13,974.96 is: 19,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.78 : 34,922.16 = 13,974.96 : x
  2. Step 2: Convert to fraction form
    25,305.78/34,922.16 = 13,974.96/x
  3. Step 3: Cross multiply
    25,305.78x = 34,922.16 × 13,974.96
  4. Step 4: Simplify right side
    25,305.78x = 488,035,789.11
  5. Step 5: Solve for x
    x = 488,035,789.11/25,305.78
  6. Step 6: Final answer
    x = 19,285.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.